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First attested in 1851. From fool + hearted, or perhaps an alteration of full-hearted.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Having the heart of a fool; foolish. Full definition →
First attested in 1851. From fool + hearted, or perhaps an alteration of full-hearted.
Etymology from Wiktionary, CC BY-SA 4.0.